Breast cancers (left) show higher nuclear levels of energy-producing enzymes than lung cancers (right), revealing tissue-specific nuclear metabolism. Credit: Alberto Coll Manzano/Centro de Regulación Genómica A new study published in Nature Communications has revealed that more than 200 metabolic enzymes can be found directly on human DNA. Many of these enzymes are typically known for producing energy in mitochondria, yet researchers discovered them sitting on chromatin inside the cell nucleus.

Tag-uri: DNA